Fix up some camera API javadocs am: 66a993beeb am: 804134ab87 am: bfa0ffbb9f

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/13061797

Change-Id: Ia7c1e4c1ba0a926681148cf6c5e10e769c5bb4a9